GB1416250A - Method of hologram recording with reduced speckle noise - Google Patents

Method of hologram recording with reduced speckle noise

Info

Publication number
GB1416250A
GB1416250A GB5972873A GB5972873A GB1416250A GB 1416250 A GB1416250 A GB 1416250A GB 5972873 A GB5972873 A GB 5972873A GB 5972873 A GB5972873 A GB 5972873A GB 1416250 A GB1416250 A GB 1416250A
Authority
GB
United Kingdom
Prior art keywords
hologram recording
speckle noise
reduced speckle
reduced
noise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5972873A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP325773A external-priority patent/JPS5348103B2/ja
Priority claimed from JP382473A external-priority patent/JPS5348105B2/ja
Priority claimed from JP48003760A external-priority patent/JPS5237787B2/ja
Priority claimed from JP375873A external-priority patent/JPS5348104B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1416250A publication Critical patent/GB1416250A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
    • G11C13/046—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern using other storage elements storing information in the form of an interference pattern
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/16—Processes or apparatus for producing holograms using Fourier transform
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
GB5972873A 1972-12-25 1973-12-27 Method of hologram recording with reduced speckle noise Expired GB1416250A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP325773A JPS5348103B2 (en) 1972-12-25 1972-12-25
JP382473A JPS5348105B2 (en) 1972-12-26 1972-12-26
JP48003760A JPS5237787B2 (en) 1972-12-29 1972-12-29
JP375873A JPS5348104B2 (en) 1972-12-29 1972-12-29

Publications (1)

Publication Number Publication Date
GB1416250A true GB1416250A (en) 1975-12-03

Family

ID=27453824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5972873A Expired GB1416250A (en) 1972-12-25 1973-12-27 Method of hologram recording with reduced speckle noise

Country Status (4)

Country Link
US (1) US3917380A (en)
FR (1) FR2211714B1 (en)
GB (1) GB1416250A (en)
NL (1) NL159206B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113409228A (en) * 2021-08-20 2021-09-17 武汉锐科光纤激光技术股份有限公司 Method, device and system for shaping light beam, storage medium and electronic device

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523165A (en) * 1974-08-03 1978-08-31 Matsushita Electric Ind Co Ltd Fourier-transform holography by pseudo-random phase shifting
JPS51132848A (en) * 1975-05-13 1976-11-18 Matsushita Electric Ind Co Ltd Hologram reproduction system
JPS6034754B2 (en) * 1976-02-18 1985-08-10 松下電器産業株式会社 hologram recording device
DE3443572C2 (en) * 1984-11-29 1987-02-05 ESG Elektronik-System-GmbH, 8000 München Method and device for holographic recording of objects, in particular microfilms
US5455850A (en) * 1991-11-01 1995-10-03 The Regents Of The Univerity Of Calif. X-ray lithography using holographic images
US5822091A (en) * 1993-02-22 1998-10-13 Baker; Kenneth M. Extreme depth-of-field optical lens and holographic projector system for its production
US5623928A (en) * 1994-08-05 1997-04-29 Acuson Corporation Method and apparatus for coherent image formation
US5793701A (en) * 1995-04-07 1998-08-11 Acuson Corporation Method and apparatus for coherent image formation
US5959702A (en) * 1996-10-04 1999-09-28 Goodman; John Mott Lensless video projector
WO1998021629A2 (en) * 1996-11-15 1998-05-22 Diffraction, Ltd. In-line holographic mask for micromachining
US5963346A (en) * 1997-12-12 1999-10-05 Northrop Grumman Corporation Scatter noise reduction in holographic storage systems by two-step write
US6016210A (en) * 1997-12-15 2000-01-18 Northrop Grumman Corporation Scatter noise reduction in holographic storage systems by speckle averaging
US6118560A (en) * 1998-02-06 2000-09-12 Northrop Grumman Corporation Scatter noise reduction in holographic storage systems by signal-noise orthogonalization
US6163391A (en) 1998-07-10 2000-12-19 Lucent Technologies Inc. Method and apparatus for holographic data storage
US6738105B1 (en) * 2000-11-02 2004-05-18 Intel Corporation Coherent light despeckling
GB0121308D0 (en) 2001-09-03 2001-10-24 Thomas Swan & Company Ltd Optical processing
US6762865B1 (en) * 2003-02-07 2004-07-13 Imation Corp. Self-referenced holography using diffusive element
KR100555666B1 (en) * 2004-02-19 2006-03-03 삼성전자주식회사 Data Read/Write device for holographic WORM memory and method thereof
CN101176043B (en) * 2005-05-13 2011-04-20 视瑞尔技术公司 Projection device and method for holographic reconstruction of scenes
US7813017B2 (en) * 2005-10-21 2010-10-12 Inphase Technologies, Inc. Method and system for increasing holographic data storage capacity using irradiance-tailoring element
JP2009529786A (en) * 2006-03-09 2009-08-20 インフェイズ テクノロジーズ インコーポレイテッド External cavity laser
CN100592137C (en) * 2007-12-07 2010-02-24 南京大学 Generation device of random polarization distributing vector light beam
JP5609615B2 (en) * 2010-12-16 2014-10-22 ウシオ電機株式会社 Laser light source device
US9442459B2 (en) * 2012-07-13 2016-09-13 Eric John Dluhos Making holographic data of complex waveforms
GB2504970A (en) 2012-08-15 2014-02-19 Swan Thomas & Co Ltd Optical device and methods to reduce cross-talk
US11237059B1 (en) 2020-12-14 2022-02-01 Gerchberg Ophthalmic Dispensing, PLLC Totagraphy: Coherent diffractive/digital information reconstruction by iterative phase recovery using special masks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506327A (en) * 1964-04-23 1970-04-14 Battelle Development Corp Wavefront reconstruction using a coherent reference beam
US3604778A (en) * 1969-10-22 1971-09-14 Bell Telephone Labor Inc Fourier transform recording with random phase shifting
DE1965448A1 (en) * 1969-12-30 1971-07-01 Philips Patentverwaltung Method and arrangement for recording point holograms
US3744871A (en) * 1970-02-25 1973-07-10 Hitachi Ltd Holographic memory system for recording digital information
US3614189A (en) * 1970-04-23 1971-10-19 Rca Corp Holographic memory with illumination hologram providing reference and object beams

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113409228A (en) * 2021-08-20 2021-09-17 武汉锐科光纤激光技术股份有限公司 Method, device and system for shaping light beam, storage medium and electronic device
CN113409228B (en) * 2021-08-20 2022-01-11 武汉锐科光纤激光技术股份有限公司 Method, device and system for shaping light beam, storage medium and electronic device

Also Published As

Publication number Publication date
NL7317716A (en) 1974-06-27
US3917380A (en) 1975-11-04
FR2211714A1 (en) 1974-07-19
NL159206B (en) 1979-01-15
FR2211714B1 (en) 1977-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee
PCPE Delete 'patent ceased' from journal

Free format text: 5189, PAGE 2412

PE20 Patent expired after termination of 20 years

Effective date: 19931226